jesper mosegaard - big datavisualizaton
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Alexandra Instituttet A/S June 23, 2009
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Jesper MosegaardHead of Research and Innovation
Real time visualizationand interaction with massive data
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• Not-for-profit GTS within IT– Application oriented research– Consultancy– Software development
• 9 labs ~ 100 employees– Business and Processes– Software Infrastructure– Computer Graphics– IT Security– Interactive spaces– New ways of working– Pervasive positioning– Pervasive healthcare– Smart City– (Smart Phones)
The Alexandra Institute
Alexandra Instituttet A/S June 23, 2009
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Click to edit Master title styleCG Lab
3D Photorealistic Visualization Materials Fast calculation GPGPU Big Data Medical
Click to edit Master title styleCustomers and partners
14-03-2013 Page 4
CAVI
Cabra Technology
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Click to edit Master title styleResearch vs. Consultancy
ResearcherResearcher ConsultantConsultant
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• A GTS project sponsored by the Danish Agency for Science Technology and Innovation
Massive Data RK 2010-2012
Visualization
Acceleration
Big Data
Alexandra Instituttet A/S June 23, 2009
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Click to edit Master title styleBig Data
Click to edit Master title styleMulti Core Crisis
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Click to edit Master title styleMassive Acceleration on GPUs
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• Too large to process in hardware memory
• Too slow for real time interaction
• Too complex to understand
What is big data ?
Alexandra Instituttet A/S June 23, 2009
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• Interactivity– Empowering the user to fully explore and utilize available data
• Simplicity and understanding– Elegant and high quality visualization
• New business ideas– Go beyond simple graphing and turn-tool solutions
Potential in BIG data
Click to edit Master title styleGeometry query
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Click to edit Master title styleRealtime interaction (video captured)
Click to edit Master title styleMedical Registration
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Click to edit Master title styleMolecular visualization
• Funded by Animation Hub Creative Digital Industries– From simulation data to information visualization
– QuantumWise, Molegro, Novo Nordisk, Computer Science/AU
– Commercial services for QuantumWise
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• Current stick and ball visualization on large scale was too slow.
• Smooth molecule surface too coarse and rebuild too slow.
• Combination of current volume visualization techniques.
Challenges
Alexandra Instituttet A/S June 23, 2009
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• Adeno virus:– ~95.000 atoms / ~105.000 bindings.
• Standard rasterization:– ~200.000.000 triangles needed.
• Imposter based solution:– ~300.000 3D vectors needed!
• 500 times performance increase
Stick and Ball Visualization
Click to edit Master title styleStick and Ball Visualization
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Click to edit Master title styleSmooth Molecular Surfaces
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• Problem:– How would you explore a 3D
function?
– Problem generalizes to all volume dataset.
• Solution:– GPU-based ray-marching of dataset.
– Combination of techniques.
Interactive Volume Rendering
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Click to edit Master title styleMolecular visualization (interactive)
Click to edit Master title styleVES 2.0
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Click to edit Master title styleVideo
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Click to edit Master title styleLego Digital Designer 4.0
June 23, 2009 Page 25
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Lego Digital Designer 3.0
Lego Digital Designer 4.0
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Click to edit Master title styleLego Universe (2010)
Click to edit Master title styleGPU Supercomputing at LEGO
• Rack-mounted Quadro Plex servers (17 in Miami)
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Click to edit Master title style3D Services
• Geometry simplification + ambient occlusion (Optix)
• Icon rendering
• Images for moderation
• ..other computations
Click to edit Master title styleLEGO, optimization and rendering
538.000 vertices 444.924 vertices
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Click to edit Master title styleLego Universe, Moderation
Click to edit Master title styleBack into research...
• SSLPV: Subsurface Light Propagation Volumes– HPG '11 Proceedings of the ACM
SIGGRAPH Symposium on High Performance Graphics
14-03-2013 Page 32
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Click to edit Master title styleBeyond photorealistic rendering
June 23, 2009 Page 33
• From material description to visualization
Click to edit Master title styleDigital Prototypes
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• http://cg.alexandra.dk/2012/10/12/interactive-infographics-in-webgl/
• http://cg.alexandra.dk/2012/12/14/webgl-pathtracing-xmas-competition/
Web and smartphones
Click to edit Master title styleBig data
• … is just Data
• Catalyst for innovation
• Hold value because of complexity or size
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BIG thank you!
cg.alexandra.dk